<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form
      :model="regForm"
      :rules="regRules"
      ref="regForm"
      class="reg-form">
        <el-form-item  prop="username">
            <el-input prefix-icon="el-icon-user"
            placeholder="请输入用户名" v-model="regForm.username"
            ></el-input>
        </el-form-item><el-form-item  prop="password">
            <el-input prefix-icon="el-icon-user"
            placeholder="请输入密码" v-model="regForm.password"
            ></el-input>
        </el-form-item><el-form-item  prop="repassword">
            <el-input prefix-icon="el-icon-user"
            placeholder="请确认密码" v-model="regForm.repassword"
            ></el-input>
        </el-form-item>
        <el-button type="primary" class="btn-reg"  @click="reg('regForm')">注册</el-button>
        <el-link type="info" @click="$router.push('./login')">去登录</el-link>
    </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  data () {
    //   验证密码是否相同
    const validatePass2 = (rule, value, callback) => {
      if (value !== this.regForm.password) {
        callback(new Error('两次输入密码不一致!'))
      } else {
        callback()
      }
    }
    return {
      regForm: {
        username: '',
        password: '',
        repassword: ''
      },
      regRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { pattern: /^[a-zA-Z0-9]{1,10}$/, message: '用户名必须是1-10的字母数字', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码必须是6-15的非空字符', trigger: 'blur' }
        ],
        repassword: [
          { required: true, message: '请再次输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码必须是6-15的非空字符', trigger: 'blur' },
          { validator: validatePass2, trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    reg () {
      // 兜底校验
      // 只有通过兜底校验,才可以发送axios请求的操作
      // 需要用到表单组件对象身上的一个方法:validata()
      // 传入一个回调函数,校验完成后会执行回调函数,并把结果携带过来
      this.$refs.regForm.validate(async valid => {
        // vaild:校验是否通过的结果
        if (!valid) return
        // console.log('我要注册了')
        const { data: res } = await this.$http.post('/api/reg', {
          username: this.regForm.username,
          password: this.regForm.password,
          repassword: this.regForm.repassword
        })
        // console.log(res)
        if (res.code !== 0) return this.$message.error(res.message)
        // 否则
        this.$message.success(res.message)
        // 跳转
        this.$router.push('/login')
      })
    }
    // resetForm (formName) {
    //   this.$refs[formName].resetFields()
    // }
  }
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 0 30px;
    box-sizing: border-box;

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
    .btn-reg {
      width: 100%;
    }
  }
}

</style>
